Pith Number

pith:FCU2FNJY

pith:1999:FCU2FNJYAJLLTH4FOI75QQFCNP

not attested not anchored not stored refs pending

Discovery of a New Soft Gamma Repeater, SGR 1627-41

Chryssa Kouveliotou, Gerald J. Fishman, Jan van Paradijs, Kevin Hurley, Mark H. Finger, Michael S. Briggs, Peter M. Woods, R. Marc Kippen, Stefan Dieters

arxiv:astro-ph/9903267 v1 · 1999-03-17 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCU2FNJYAJLLTH4FOI75QQFCNP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:10:48.519480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a9a2b5380256b99f85723fd840a26be16dac16981f260c530777726a76f60b

Aliases

arxiv: astro-ph/9903267 · arxiv_version: astro-ph/9903267v1 · doi: 10.48550/arxiv.astro-ph/9903267 · pith_short_12: FCU2FNJYAJLL · pith_short_16: FCU2FNJYAJLLTH4F · pith_short_8: FCU2FNJY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FCU2FNJYAJLLTH4FOI75QQFCNP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 28a9a2b5380256b99f85723fd840a26be16dac16981f260c530777726a76f60b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a95b8e3ddd7edc1627d473948a1689a5f7ce9422884ed1a87bb5471a91f292c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-17T20:08:40Z",
    "title_canon_sha256": "5f1a49cad06e5502dd2bc9135b5bff0dd3bca09238f7c3a1f78c6cc2bbca818d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903267",
    "kind": "arxiv",
    "version": 1
  }
}